Figure 2

The mixture model (FlexiChip). "Green": Gaussian components of the "green" class, "red": Gaussian components of the "red class", thick "green": prior conditional probability density function f(x/ω₁), thick "red": prior conditional probability density function f(x/ω₂), dashed black: mixture density function f(x) = f(x/ω₁)P(ω₁) + f(x/ω₂)P(ω₂), "green" vertical line: lower limit of ω₀, "red" vertical line: upper limit of ω₀